You are using an outdated browser version not supported by this website.
Click here to upgrade your browser

InteriorInterior
Wallthrough
Description

The Wallthrough is used in fire-rated plasterboard walls where multiple services need to pass through a single penetration, such as at apartment and hotel room entry points. It can be installed either before services are run or retrofitted into the wall.

It is made from stainless steel and contains an internal lining of intumescent material that expands when exposed to heat, closing the penetration. Services pass through the sleeve, with an NBR block seal fitted around them on both sides. Fire-rated sealant is applied over the NBR block seal to form a smoke seal. A 300 mm-wide length of FIREFLY Penowrap is then installed around the services, overlapping the Wallthrough, and secured with foil tape and stainless steel cable ties. Full installation details are provided in the installation instructions.

Key Features
  • BRANZ Appraised
  • Stainless steel sleeve with intumescent lining
  • Suitable for multi-service penetrations in fire-rated plasterboard walls
  • Pre-install or retrofit installation options
  • Includes NBR block seals and fire-rated sealant for smoke control
  • Compatible with FIREFLY Penowrap for fire integrity
NZ Made
NZ Made
NZ-Owned Business
NZ-Owned Business
Scope of Use

The Allproof Industries Wallthrough is designed for use in fire-rated plasterboard walls at apartment and hotel room entry points, providing a robust, stainless steel multi-service penetration solution that can be installed pre- or post-service installation, maintaining fire and smoke resistance in compliance with passive fire protection requirements.

Suitable For Fitting To:

  • Plasterboard Walls
Limitations on Use

As per requirements set out in NZBC C/AS2 Clause 4.4, Allproof fire stopping product installation “shall be identical to those of the prototype used in tests to establish their FRR.” Allproof passive fire systems are required to be used in closed, internal spaces, protected from excessive moisture, solvents, oxidising agents, acids, and alkalis. They should not be exposed to UV light in service. Separation or protection must be provided to Allproof Passive Fire Protection Products from heat sources such as fireplaces, heating appliances, and chimneys. Part 7 of NZBC Acceptable Solution C/AS1 and C/AS2, and NZBC Verification Method C/VM1 provide methods for separation and protection of combustible materials from heat sources.

Statement of Building Code Compliance

NZBC C/AS2 C3.1, C3.2 and C3.3: Allproof PFP products are designed to limit the spread of fire between property from its origin by sealing service penetrations in the separating elements of fire cells. The Technical Literature gives the fire resistance ratings (FRRs) for the Allproof Passive Fire Protection Products that can be achieved to provide the FRRs as determined by NZBC Acceptable Solutions C/AS1, C/AS2 and NZBC Verification Method C/VM2.

NZBC C/AS2 4.4 Fire Stopping: Allproof PFP products have been tested in accordance with Appendix C C5.1 for fire stopping. Detailed information on the tested prototypes is available in Allproof’s PFP literature to assist with the correct product selection and install details. When installed as per documentation, Allproof PFP products will provide an FRR consistent with the published results and therefore, if selected correctly, no less than the separating element.

NZBC B2: Allproof Passive Fire Protection Products meet code compliance with the NZBC Clause B2.3.1 (b), 15 years.

NZBC F2.3.1: Allproof Passive Fire Protection Products do not present a health hazard to people.

BRANZ Appraised
BRANZ Appraised
Documents
BRANZ Appraisal No 1088

1088 [2025]

Masterspec Specification
Installation and operation
Product Warranty

0820

Brochure
About Allproof
Allproof Passive Fire Protection

Allproof Industries is a family-owned New Zealand company specialising in the manufacture and distribution of plumbing, drainage, and fire protection products.

Product Enquiries

News from Allproof Industries

Designing Internal Drainage Systems to Meet NZ Codes in Wet Areas
Building System-Based Design into Social Housing
Improving Passive Fire Protection in Floor Waste Systems: CIFW100 and the 80mm Floor Waste Gully NEW

Posts by Andrew Smith

See All


Posts by Justin Barber

See All


Get a free weekly digest of essential news

New and updated architectural products, design solutions, inspiration, technical advice and more when you sign up for EBOSS.